LanguageResources.java |
1 /** 2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to deal 6 * in the Software without restriction, including without limitation the rights 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 * copies of the Software, and to permit persons to whom the Software is 9 * furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 * SOFTWARE. 21 */ 22 23 package com.liferay.portal.language; 24 25 import com.liferay.portal.kernel.util.StringPool; 26 27 import java.util.Locale; 28 import java.util.Map; 29 import java.util.concurrent.ConcurrentHashMap; 30 31 import org.apache.struts.util.MessageResources; 32 33 /** 34 * <a href="LanguageResources.java.html"><b><i>View Source</i></b></a> 35 * 36 * @author Brian Wing Shun Chan 37 */ 38 public class LanguageResources { 39 40 public LanguageResources(MessageResources resources) { 41 _resources = resources; 42 _cache = new ConcurrentHashMap<String, ResourceValue>(10000); 43 } 44 45 public String getMessage(Locale locale, String key) { 46 String cacheKey = _getCacheKey(locale, key); 47 48 ResourceValue resourceValue = _cache.get(cacheKey); 49 50 if (resourceValue == null) { 51 String value = _resources.getMessage(locale, key); 52 53 resourceValue = new ResourceValue(value); 54 55 _cache.put(cacheKey, resourceValue); 56 } 57 58 return resourceValue.getValue(); 59 } 60 61 private String _getCacheKey(Locale locale, String key) { 62 return String.valueOf(locale) + StringPool.POUND + key; 63 } 64 65 private class ResourceValue { 66 67 private ResourceValue(String value) { 68 _value = value; 69 } 70 71 public String getValue() { 72 return _value; 73 } 74 75 private String _value; 76 77 } 78 79 private Map<String, ResourceValue> _cache; 80 private MessageResources _resources; 81 82 }